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Chapter 4 Managing the Passport 8672ATME Module with Device Manager 61

Using the Passport 8672ATME Module

Figure 17 ATM PVC tab

Table 9 describes the ATM PVC tab fields.

Table 9 ATM PVC tab fields

Item Description

Vpi Virtual path identifier.

Vci Virtual circuit identifier.

PvcId Internal index ID of the PVC.

Name Emulated LAN name.

Encapsulation Encapsulation type: null or llcSnap.

ServiceType Unspecified bit rate (ubr) or variable bit rate (vbr).

PeakCellRate Peak cell rate, in cells/second, is the maximum cell rate. The valid

ranges are:

• OC-3—86..182783

• OC-12—86..733490

Note: IP multicast traffic between a Passport module and other

devices may not perform as well as expected unless the peak cell

rate and the sustained cell rate values are updated to their

maximum values; only applicable if the Service Type is vbr.

SustainedCellRate Sustainable cell rate is an upper bound on the cell rate that is long

relative to that of the PCR; only applicable if the Service Type is vbr.

The valid ranges are:

• OC-3—86..182783

• OC-12—86..733490

MaxBurstSize Maximum burst size determined by the signaling method; It is coded

as a number of cells that can be transmitted at peak rate and still

conform to the overall algorithm; only applicable if the Service Type

is vbr.

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Nortel Networks 8672ATME Manual do Utilizador Página 61